diff --git a/app/os_android.go b/app/os_android.go
index 5b212134..0762074a 100644
--- a/app/os_android.go
+++ b/app/os_android.go
@@ -1318,6 +1318,7 @@ func findClass(env *C.JNIEnv, name string) C.jclass {
 }
 
 func osMain() {
+	select {}
 }
 
 func newWindow(window *callbacks, options []Option) {
diff --git a/app/os_ios.go b/app/os_ios.go
index 2a281cb8..db20e5e4 100644
--- a/app/os_ios.go
+++ b/app/os_ios.go
@@ -405,11 +405,12 @@ const (
 )
 
 func osMain() {
-	if !isMainThread() {
-		panic("app.Main must be run on the main goroutine")
-	}
 	switch mainMode {
 	case mainModeUndefined:
+		if !isMainThread() {
+			panic("app.Main must be run on the main goroutine")
+		}
+
 		mainMode = mainModeExe
 		var argv []*C.char
 		for _, arg := range os.Args {
@@ -423,6 +424,7 @@ func osMain() {
 	case mainModeLibrary:
 		// Do nothing, we're embedded as a library.
 	}
+	select {}
 }
 
 //export gio_runMain
diff --git a/app/runmain.go b/app/runmain.go
index a1c1e3d4..d01d85a6 100644
--- a/app/runmain.go
+++ b/app/runmain.go
@@ -25,6 +25,6 @@ func runMain() {
 		// Indirect call, since the linker does not know the address of main when
 		// laying down this package.
 		fn := mainMain
-		fn()
+		go fn()
 	})
 }